摘要
以区域构造和陆相沉积为地质背景，利用层序地层学有关原理，对川西新场地区２０余口井的岩芯、测井和部分地震合成记录进行单井和联井的研究表明：该区上沙溪庙组下部砂岩沉积具完整的河流相沉积相序，自下而上为正韵律序列“二元结构”，河流砂体发育带是气藏的主产层，河流相点坝侧积体是油气富集的重要相带，不同的沉积微相是致密非均质性的宏观特征的反映。
Under the geologic setting of regional structure and continental depoisit, based on the theory of sequence stratigraphy, and through studying the core, log data and seismic record of 20 singal wells and on line wells, the result indicates that the sandstone sedimentary of the Shangshaximiao Formation is an entire fluvial facies and a positive rhythm “binary texture”. The developed belt of sandstone of fluvial facies is the primary producing formation of gas, the point bar of fluvial facies is the important zone of hydrocarbon accumulation, and the distinct sedimentary microfacies is macroscopic reflect of tight heterogeneous reservoir.
出处
《成都理工学院学报》
CSCD
1999年第2期154-156,共3页
Journal of Chengdu University of Technology
关键词
新场气田
储储岩
沉积微相
砂岩体
气藏
Sichuan Basin
Xinchang gas field
reservoir rocks
sedimentary microfacies
sandbody
